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The use of sitting grinder reduces musculoskeletal complaints disorders, workload, and increases work productivity of blacksmith in Tabanan, Bali, Indonesia

Abstract

Introduction: Blacksmithing is one of the small industries in Tabanan Regency. Their work is passed down from generation to generation as a responsibility of their ancestors. One of the processes in making household appliances is to use a grinder to smooth and sharpen knives. In this process, the worker holds the vibrating grinder, which weighs more than 1.5 kg, with one hand, and the other hand holds the knife to be smoothed. Working with hands exposed to vibration for a long period of time is a burden that will cause complaints and diseases for workers such as raynaud's syndrome, tenosynovitis, and carpal tunnel syndrome. The purpose of this study was to determine the effect of the use of ergonomic sitting grinders to reduce musculoskeletal disorders (MSDs), workload, and increase work productivity of blacksmith  in Tabanan Regency.

Methods: This study is an experimental model. The population was blacksmith workers in Tabanan Regency. Samples were determined based on small industry groups by simple random sampling. The sample size was determined based on the score of musculoskeletal complaints so that the number of small industry groups was obtained as many as 3 groups. Each group consisted of 11 people so the sample size was 33 people. It was determined that the sample size in this study was 33 workers in 3 small industry groups.

Result: this study obtained decreased musculoskeletal complaints by 51.51% in the control group with treatment I, and by 51.75% in the control group with treatment II. There was a decrease in workload by 13.71% in the control group with treatment I and by 15.60% in the control group with treatment II. There was an increase in work productivity by 20.93% in the control group with treatment I and by 24.44% in the control group with treatment II.

Conclusion: There is a significant decrease in musculoskeletal complaints and workload between the Control group with treatment I and the control group with Treatment II (p<0.05), and there is a significant increase in work productivity in the control group with treatment I and in the control group with treatment II.

Section

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How to Cite

Arjani, I. A. M. S., Hana Sundari, C. D. W. ., Mastra, N. ., Mahayana, I. M. B. ., & Swastini, I. G. A. A. P. . (2023). The use of sitting grinder reduces musculoskeletal complaints disorders, workload, and increases work productivity of blacksmith in Tabanan, Bali, Indonesia. Indonesia Journal of Biomedical Science, 17(2), 282–288. https://doi.org/10.15562/ijbs.v17i2.506

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